std::cos

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Defined in header `<cmath>`

float cos( float arg );

double cos( double arg );

long double cos( long double arg );

Computes cosine of arg

arg - floating point value representing angle in radians

cosine of arg in the range [-1.0 ; 1.0].

Domain error occurs if arg is infinite. NAN is returned in that case.

computes sine (

sin(x)

)
(function)

computes tangent (

tan(x)

)
(function)

computes arc cosine (

arccos(x)

)
(function)